Footwear
| Fri 16 May 2025
Beijing, May 16 -- Henan Aerospace Hydraulic & Pneumatic Technology has secured a patent on extrusion forming plunger pump special-shaped sliding shoe closing-up tool. Wu Yangzhao, Li Yang, Li Hao, Kong Qingsong, Meng Jiajia, Pan Ke, Liu Yazhe, Tang Wanqing, Ma Xin and Gao Zhen developed the invention.
The patent application nu..